2DPlatformerDemo2_Week4Upgrades

1. Difficulty can be selected in the main menu at the beginning of the game. In difficult mode, there will be no bullets at the beginning of the game 2. Gold coins, recovery hearts, and ammunition-increasing bullets can all be picked up and recovered within a certain period of time 3. You can collect monster corpses by killing monsters 4. Health points, bullets and monster corpses can all be purchased with gold coins 5. Click the upgrade button above to use the monster corpse to upgrade the weap...